Tecnate TTN 2521 is a TDI/polyether-based (PTMEG) liquid polymer which yields a 90 Shore A hardness when cured with 4;4’ methylene-(orthochloroaniline); commonly called MOCA.
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Technical Data SheetApplications
- Abrasion Resistant Parts
- Agricultural Industry
- Tires
- Wheels
Advantages
- Excellent low temperature flexibility
- Good resistance to heat and humidity
- Good toughness and abrasion resistance
- High resilience
- Low viscosity
- Very good dynamic properties
Product Types
Prepolymer
Product Testing
| Test Performed | Test Results |
| % NCO - ISO | 3.95-4.35 % |
| Demold Time | 1 Hours |
| Elongation - ASTM D412 - Cured with Ethacure 300 | 410 % |
| Elongation - ASTM D412 - cured with MOCA | 430 % |
| Hardness - ASTM D2240 - Shore A | 88-92 Shore A |
| POL | MOCA |
| Post Cure Time | 16 Hours |
| Pot Life - 100g | 10 Minutes |
| Rebound, Bayshore % - ASTM D2632 - Cured with Ethacure 300 | 40 % |
| Rebound, Bayshore % - ASTM D2632 - cured with MOCA | 42 % |
| Tear Strength - ASTM D624 - Cured with Ethacure 300 | 500 pli |
| Tensile Strength - ASTM D412 - Cured with Ethacure 300 | 3000 psi |
| Tensile Strength - ASTM D412 - cured with MOCA | 5500 psi |
| Tensile Strength - ASTM D412 - Ethacure 300 cure | 2000 psi |